Base | Representation |
---|---|
bin | 10101100010100… |
… | …101110101001001 |
3 | 221012000111001001 |
4 | 111202211311021 |
5 | 1220003430020 |
6 | 55505455001 |
7 | 11645521240 |
oct | 2542456511 |
9 | 835014031 |
10 | 361389385 |
11 | 175aa4215 |
12 | a1041461 |
13 | 59b43296 |
14 | 35dd3957 |
15 | 21ad850a |
hex | 158a5d49 |
361389385 has 8 divisors (see below), whose sum is σ = 495619776. Its totient is φ = 247809840.
The previous prime is 361389377. The next prime is 361389389. The reversal of 361389385 is 583983163.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 361389385 - 23 = 361389377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (361389389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5162671 + ... + 5162740.
It is an arithmetic number, because the mean of its divisors is an integer number (61952472).
Almost surely, 2361389385 is an apocalyptic number.
361389385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
361389385 is a deficient number, since it is larger than the sum of its proper divisors (134230391).
361389385 is a wasteful number, since it uses less digits than its factorization.
361389385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10325423.
The product of its digits is 466560, while the sum is 46.
The square root of 361389385 is about 19010.2442120032. The cubic root of 361389385 is about 712.2926516783.
The spelling of 361389385 in words is "three hundred sixty-one million, three hundred eighty-nine thousand, three hundred eighty-five".
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